Answer:
4200 the answer is d. kilo is 1000
30
Step-by-step explanation:
because if x is 5 then 6(5)
and 6x5=30
=
5x + 3 = 23 x=4
5. 4 = 3a – 14 a=6
6. 2y + 5 = 19 y=7